Improvement in cultivators



S. H. MITCHELL;

Wheel-Cultivator.

No. 40,766. Patented Decv l, 1863.

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IMPROVEM ENT IN CULTIVATORS.

Specification forming part of Letters Patent No. 40,766. dated December 1, 1863.

To all whom it may concern Be it known that I, SAMUEL H. MITCHELL, of El Paso, in the county of Woodford and State of Illinois, have invented a new and Improved Cultivator; and I do hereby declare that the following is a full, clear, and exact description of the same, reference being had to the accompanying drawings, making a part of this specification, in which Figure 1 represents a plan or top view of my invention. Fig.2 is a longitudinal vertical section of the same, the line to 20, Fig. 1, indicating the plane of section.

Similar letters of reference in both views indicate corresponding parts.

This invention relates to an improvement in that class of cultivators in which the plows are secured to beams that are connected by means of swivel-bars to an axle which is supported by two wheels four and one-half feet high. The beams can be adjusted closer together or farther apart, as may be desired, and each plow is adjustable in a vertical and in a lateral direction.

The nature of my invention and its advantages will be readily understood from the following description.

A represents an axle, made of wood or any other suitable. material, and supportedby two wheels, B B.

O is a draft-pole, which is firmly secured to the axle A at about the middle of its length, being steadiedin its position by two braces, a a, as clearly shown in Fig. 1 of the drawings.

The axle A is provided with anumber of holes, I) I), intended to receive the swivel-bars c c, to-which the beams D D are attached by means of pivots d. The swivel-bars c c are adjustable in the holes in the axle, so that the beams can be brought closer together or farther apart, accordingto the width of the furrows, and they turn in saidaholes, allowing each beam to be adjusted in a horizontal plane independent of the other. Furthermore, by having the beams hinged to the swivel-bars each beam can be raised or lowered at pleasure.

The plowshares E E are secured to standards F F, which are attached to the beams D D by means of pivots, and steadied by suitable braces, which may be so arranged that the inclination of said standards can be varied at.

pleasure.

The beams D D are provided with handles Gr G, by means of which the position of each beam can be regulated, and each beam can be readily accommodated to the varying width of or to any sinuosity that may occur in the furrow-s.

The plows can be readilyguided and directed close up to the plants, and in case one of the plows meets with an obstruction it can be readily raised and brought down again as soon as the obstruction is passed without in the least disturbing the course of the other plow or plows.

H'H are bars, which are hinged to the axle A. These bars extend through slotted plates 0, which are firmly secured to the ends of the beams D D, and they are provided with noses F.

If it is desired to keep the plows attached to one of the beams out of the ground,said beam is raised until the nose f of the bar belonging to this beam drops behind the edge of the slotted plate. On releasing the beam it is returned by the bar H, and the plows are prevented from touching the ground. Thus arranged the cultivator can be drawn from one spot to another.

The draft-animals which are intended to draw the cultivator along are hitched-to the double-tree I, which is secured to the draftpole by the pivot g. This pivotpasses through a bar, J, the ends of which are connected by means of rods h with the swivelbars 0 c, to which the plow-beams are hinged. The draft is thus exerted directly on the beams, and a strain down on the horses neck is avoided.

The middle plow is only used for putting in small grain or for plowing ground all over. The drivers seat K is right over the axle, so thatit makes no difference in the draft on the pole or neck-yoke. The driver, however, will generally walk behind the plows, except in plowing small grain, riding to and from the field, or, when the corn is large, he may ride on the seat. 7

What I claim as new, and desire to secure by Letters Patent, is'- The arrangement and combination of transversely-adjustable. swivel-bars a, hinged. plowbeams D, notched barsH H, double -'tree I, and bar J, and connecting-rods h, and axle A, provided with a number'ofholes, b I), intended to receive the swivel-bars c c, to which the beams D D are attached by means of pivots d,

the swivel-bars c 0 adjustable in the holes in the axle, so that the beams can be brought closer together or farther apart, according to:

the width of the furrows,.a.ll constructed and operating in the manner and for the purpose shown and described.

- SAML. H. MITCHELL.

Witnesses:

J. T. HARPER, P. H. TOMPKINS. 

